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Lesson Plans
Which Is Greater?

CCSS Math: Counting & Cardinality
  • K.CC.C.6: Identify whether the number of objects in one group is greater than, less than, or equal to the number of objects in another group, e.g., by using matching and counting strategies.

Materials Needed


Read aloud Alfie the Alligator: A Teaching Rhyme About Comparing Numbers by Sandy Turley. Remind students that, in the story, Alfie always eats the larger number, or the number that is greater.


  1. Hold up the Greater Than/Less Than Alligators, and explain, “Just like Alfie in the story, these alligators like to eat the larger number, or the set with the greatest number of objects in it.”
  2. Then invite two students to stand at the front of the room. Hand each student a Counting Objects Picture Card to hold up for everyone to see.
  3. Encourage students to count the number of cookies on each card and compare. Discuss how the cookies are arranged onto a ten-frame. Does that make them easier to count and compare? How?
  4. Position the Greater Than/Less Than Alligators between the two cards and point out which mouth is “eating” the larger number.
  5. Ask students, “How did you know which set of objects was greater?” (Accept answers such as “We counted them” or “There were more on that card than the other card.”)
  6. Repeat the exercise with two new volunteers and two different cards. Continue to count and compare different pairs of cards so students can practice counting and comparing which is greater.

Independent Practice

  1. Pair students with a partner, and give each pair a set of 8–10 Number Match-Ups puzzles.
  2. Challenge students to count the objects and match them to the corresponding numeral to complete their puzzles.
  3. Then invite them to take turns selecting two of the puzzles and having their partner compare the number of objects and the numerals on each puzzle to determine which is greater.
  4. Continue until everyone has had a chance to play both roles a few times.

View the preschool–kindergarten lesson plan. (Includes all printable materials.)
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